Fig. 3From: A systematic review of randomised controlled trials in rheumatoid arthritis: the reporting and handling of missing data in composite outcomesDifferential rate of missing data for the primary composite outcome in placebo controlled trials. The line of equality represents no difference between groups; each dot represents one trial. There are more data points above the line, which indicates that trials generally have a higher rate of dropout in the placebo group than in the treatment groupBack to article page